Alright, let's work through 78717463 times 13026343 step by step
78717463 × 13026343 = 13026343 × (78717463)
+ 13026343 × 3 which equals 39079029
+ 13026343 × 60 producing 781580580
+ 13026343 × 400 that equals 5210537200
+ 13026343 × 7000 giving us 91184401000
+ 13026343 × 10000 giving us 130263430000
+ 13026343 × 700000 which equals 9118440100000
+ 13026343 × 8000000 that equals 104210744000000
+ 13026343 × 70000000 producing 911844010000000

= 1025400673127809
